Collateral for a security interest recorded Jun 30, 2025 (UBS AG, Stamford Branch).
Term ends Jun 11, 2039 · Medium confidence
20-year base term ends Apr 29, 2039
Why Medium: A parent in the chain could not be resolved.
Held by Sonicwall Inc.
Filed Jun 25, 2024 as application 18/753,727 · Granted Feb 3, 2026
Base term plus 43 days of patent term adjustment (USPTO delay)
Today
2019
2039
Clock starts
Apr 29, 2019
Apr 29, 2019
Term ends
Jun 11, 2039
Jun 11, 2039
Granted
Feb 3, 2026
Feb 3, 2026
base term
patent term adjustment
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
43
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
14
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 43 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 29, 2019, when application 16/397,935, the earliest non-provisional in its chain, was filed (this one was filed Jun 25, 2024); a parent in its chain could not be resolved (the next row) | Apr 29, 2039 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +43 days, USPTO patent term adjustment record | Jun 11, 2039 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 11, 2039 | Medium confidence |
This family
| US 10,972,916 | In force Apr 2039 | Apr 2039 |
| US 12,022,295 | In force Apr 2039 | Apr 2039 |
| US 11,997,635 | In force Apr 2039 | Apr 2039 |
| US 12,075,246 | In force Sep 2039 | Sep 2039 |
| US 11,638,149 | In force Aug 2039 | Aug 2039 |
| US 12,279,115 | In force Apr 2039 | Apr 2039 |
| US 12,376,062 | In force Apr 2039 | Apr 2039 |
| US 12,543,047 | this patent Jun 2039 | Jun 2039 |
8 of 14 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jun 27, 2024 Reel 67959, frame 338 | Duo, Zhuangzhi; Dhablania, Atul | Sonicwall Inc. | Assignment of Assignor's Interest |
| Jun 30, 2025 Reel 71758, frame 159 | Sonicwall Inc. | UBS AG, Stamford Branch, as Collateral Agent | First Lien IP Supplement |
| Jul 9, 2026 Reel 75961, frame 907 | Sonicwall US Holdings Inc.; Sonicwall Inc.; Banyan Security, Inc. | UBS AG, Stamford Branch | Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jun 2039
Term ends Jun 11, 2039. Maintenance fees still fall due before then
Note
The 43 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.